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Finding the Fourth Proportional to 202.43, 304.09 and 176.00

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Solution

The fourth proportional to 202.43, 304.09 and 176.00 is: 264.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.43 : 304.09 = 176.00 : x
  2. Step 2: Convert to fraction form
    202.43/304.09 = 176.00/x
  3. Step 3: Cross multiply
    202.43x = 304.09 × 176.00
  4. Step 4: Simplify right side
    202.43x = 53,517.88
  5. Step 5: Solve for x
    x = 53,517.88/202.43
  6. Step 6: Final answer
    x = 264.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.